Ely - Bishop's Palace, UK

Over the centuries, this has been many things. Today it is part of the King's School. 

In WW2 it was home to the Red Cross. 

My dad was a Pathfinder (the elites) flying over Germany at night.  He had his appendix out here in case he was shot down over enemy territory

See https://en.wikipedia.org/wiki/Bishop%27s_Palace,_Ely